Batuk Bhairav is an incarnation of Lord Shiva and is associated with Bhairav Nath. This form of Lord Shiva is mostly associated with Tantra and he is propitiated in this form for material gains. Batuk Bhairav is also the child form of Shiva as Bhairav Nath. Another form is Maha Kal or Kal Bhairav. Kaal Bhairav Jayanti 2013 date is 25 November 2013, Monday.
It is believed that Lord Shiva appeared in the form of Batuk Bhairav on the tenth day during the waxing phase of moon in Jyeshta Month. Batuk Bhairav Stotra is chanted on the day.
Kalashtami, or Mahakaal Bhairavashtami, is the most auspicious day dedicated to Lord Kaal Bhairava – a manifestation of Lord Shiva. Kal Bhairava is the God of Time – Kal means ‘time’ and ‘Bhairava’ the manifestation of Shiva. Ashtami after Purnima, the eighth day after full moon, is considered the ideal day to propitiate Kala Bhairav. In 2013 Kala Bhairav Ashtami and Kal Bhairav Jayanti is on November 25.
It must be noted that Kalashtami is observed on the eighth day after full moon on all months by Shiva devotees.